TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
Page 381 of 1236
TM 9-2350-261-20-1 COOLANT HEATER MALFUNCTIONS 0070 00 INITIAL SETUP: M a i n t e n a n c e L e v e l Unit T o o l s a n d S p e c i a l T o o l s Digital Multimeter (WP 0780 00, Item 43) Electrical Connector Pliers (WP 0780 00, Item 44) General Mechanic’s Tool Kit (WP 0780 00, Item 29) P e r s o n n e l R e q u i r e d Unit Mechanic 63T10 R e f e r e n c e s See your -10 E q u i p m e n t C o n d i t i o n Engine stopped/shutdown (see your -10) Carrier blocked (see your -10) Trim vane lowered (see your -10) Power plant front access door open (see your -10) Ramp lowered (see your -10) Driver’s power plant access panel removed (see your -10) Power plant rear access panels removed (see your -10) Heater on HI (see your -10) Rear floor plates removed (WP 0436 00,WP 0437 00, WP 0438 00, WP 0440 00, or WP 0441 00) Engine cold T 1. Depress HEATER ON indicator cover lens (see your -10). 2. Does indicator light come on? TN GO TO BY (PAGE 0070 00-3) Y 1. Release HEATER ON indicator. 2. Move HEATER SWITCH to START. 3. Does heater blower come on? YN GO TO CY (PAGE 0070 00-5) 2Y 1. Check to see if heater fuel pump comes on. 2. Does heater fuel pump come on? 2YN GO TO EY (PAGE 0070 00-7) 3Y 1. Check to see if coolant circulating pump comes on. 2. Does coolant circulating pump come on? 3YN GO TO GY (PAGE 0070 00-8) 0070 00-1